Deps update, gopkg.lock fix, flagger initialization fix.

vendor/github.com/sirupsen/logrus/hooks/syslog/syslog.go

@@ -43,7 +43,7 @@ func (hook *SyslogHook) Fire(entry *logrus.Entry) error {
 		return hook.Writer.Warning(line)
 	case logrus.InfoLevel:
 		return hook.Writer.Info(line)
-	case logrus.DebugLevel:
+	case logrus.DebugLevel, logrus.TraceLevel:
 		return hook.Writer.Debug(line)
 	default:
 		return nil

vendor/github.com/sirupsen/logrus/hooks/syslog/syslog_test.go

@@ -1,3 +1,5 @@
+// +build !windows,!nacl,!plan9
+
 package syslog
 
 import (

vendor/github.com/sirupsen/logrus/hooks/test/test.go

@@ -15,7 +15,7 @@ type Hook struct {
 	// Entries is an array of all entries that have been received by this hook.
 	// For safe access, use the AllEntries() method, rather than reading this
 	// value directly.
-	Entries []*logrus.Entry
+	Entries []logrus.Entry
 	mu      sync.RWMutex
 }
 
@@ -52,7 +52,7 @@ func NewNullLogger() (*logrus.Logger, *Hook) {
 func (t *Hook) Fire(e *logrus.Entry) error {
 	t.mu.Lock()
 	defer t.mu.Unlock()
-	t.Entries = append(t.Entries, e)
+	t.Entries = append(t.Entries, *e)
 	return nil
 }
 
@@ -68,9 +68,7 @@ func (t *Hook) LastEntry() *logrus.Entry {
 	if i < 0 {
 		return nil
 	}
-	// Make a copy, for safety
-	e := *t.Entries[i]
-	return &e
+	return &t.Entries[i]
 }
 
 // AllEntries returns all entries that were logged.
@@ -79,10 +77,9 @@ func (t *Hook) AllEntries() []*logrus.Entry {
 	defer t.mu.RUnlock()
 	// Make a copy so the returned value won't race with future log requests
 	entries := make([]*logrus.Entry, len(t.Entries))
-	for i, entry := range t.Entries {
+	for i := 0; i < len(t.Entries); i++ {
 		// Make a copy, for safety
-		e := *entry
-		entries[i] = &e
+		entries[i] = &t.Entries[i]
 	}
 	return entries
 }
@@ -91,5 +88,5 @@ func (t *Hook) AllEntries() []*logrus.Entry {
 func (t *Hook) Reset() {
 	t.mu.Lock()
 	defer t.mu.Unlock()
-	t.Entries = make([]*logrus.Entry, 0)
+	t.Entries = make([]logrus.Entry, 0)
 }

vendor/github.com/sirupsen/logrus/hooks/test/test_test.go

@@ -1,14 +1,16 @@
 package test
 
 import (
+	"math/rand"
+	"sync"
 	"testing"
+	"time"
 
 	"github.com/sirupsen/logrus"
 	"github.com/stretchr/testify/assert"
 )
 
 func TestAllHooks(t *testing.T) {
-
 	assert := assert.New(t)
 
 	logger, hook := NewNullLogger()
@@ -35,5 +37,49 @@ func TestAllHooks(t *testing.T) {
 	assert.Equal(logrus.ErrorLevel, hook.LastEntry().Level)
 	assert.Equal("Hello error", hook.LastEntry().Message)
 	assert.Equal(1, len(hook.Entries))
-
+}
+
+func TestLoggingWithHooksRace(t *testing.T) {
+
+	rand.Seed(time.Now().Unix())
+	unlocker := rand.Int() % 100
+
+	assert := assert.New(t)
+	logger, hook := NewNullLogger()
+
+	var wgOne, wgAll sync.WaitGroup
+	wgOne.Add(1)
+	wgAll.Add(100)
+
+	for i := 0; i < 100; i++ {
+		go func(i int) {
+			logger.Info("info")
+			wgAll.Done()
+			if i == unlocker {
+				wgOne.Done()
+			}
+		}(i)
+	}
+
+	wgOne.Wait()
+
+	assert.Equal(logrus.InfoLevel, hook.LastEntry().Level)
+	assert.Equal("info", hook.LastEntry().Message)
+
+	wgAll.Wait()
+
+	entries := hook.AllEntries()
+	assert.Equal(100, len(entries))
+}
+
+func TestFatalWithAlternateExit(t *testing.T) {
+	assert := assert.New(t)
+
+	logger, hook := NewNullLogger()
+	logger.ExitFunc = func(code int) {}
+
+	logger.Fatal("something went very wrong")
+	assert.Equal(logrus.FatalLevel, hook.LastEntry().Level)
+	assert.Equal("something went very wrong", hook.LastEntry().Message)
+	assert.Equal(1, len(hook.Entries))
 }